using System;
using System.IO;
using System.Linq;
using System.ServiceModel;
using System.ServiceModel.Web;
using WX.CRM.Common;

namespace WxService
{
    // 注意: 使用“重构”菜单上的“重命名”命令，可以同时更改代码、svc 和配置文件中的类名“WeiXinService”。
    // 注意: 为了启动 WCF 测试客户端以测试此服务，请在解决方案资源管理器中选择 WeiXinService.svc 或 WeiXinService.svc.cs，然后开始调试。
    public class WeiXinService : IWeiXinService
    {
        ValidationErrors errors = new ValidationErrors();

        public bool UploadQrCode(Stream input, string filePath)
        {
            if (!input.CanRead || string.IsNullOrWhiteSpace(filePath))
            {
                //return new JsonResult<string> { result = false, retcode = (int)EnumInterfaceErrcode.参数错误, retmsg = "参数错误" };
                //throw new Exception("数据流不可读!");
                return false;
            }

            try
            {
                var allowFile = new string[] { ".jpg", ".bmp", ".gif", ".jpeg", ".png" };
                string extName = filePath.Substring(filePath.LastIndexOf('.')).ToLower();

                if (!allowFile.Any(m => m == extName))
                {
                    return false;
                }
                string uploadFolder = AppDomain.CurrentDomain.BaseDirectory;
                string fileDir = filePath.Substring(0, filePath.LastIndexOf('/'));

                FileStream targetStream = null;
                uploadFolder = uploadFolder + fileDir;
                if (!Directory.Exists(uploadFolder))
                {
                    Directory.CreateDirectory(uploadFolder);
                }
                string fileFullPath = AppDomain.CurrentDomain.BaseDirectory + filePath;
                using (targetStream = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write, FileShare.None))
                {
                    const int bufferLen = 4096;
                    byte[] buffer = new byte[bufferLen];
                    int count = 0;
                    while ((count = input.Read(buffer, 0, bufferLen)) > 0)
                    {
                        targetStream.Write(buffer, 0, count);
                    }
                    targetStream.Close();
                    input.Close();
                }
                return true;

                //return new JsonResult<string> { result = true, retcode = (int)EnumInterfaceErrcode.调用成功, retmsg = filePath };

            }
            catch (Exception ex)
            {
                LogHelper.Error("上传二维码到接口站点错误:" + ex.Message);
                //throw new Exception("上传二维码到接口站点错误");
                return false;
                //return new JsonResult<string> { result = false, retcode = (int)EnumInterfaceErrcode.系统错误, retmsg = null };
            }
        }
    }


    [ServiceContract]
    public interface IWeiXinService
    {

        [OperationContract]
        [WebInvoke(Method = "*",
            BodyStyle = WebMessageBodyStyle.Bare,
            UriTemplate = "UploadQrCode?filePath={filePath}")]
        bool UploadQrCode(Stream input, string filePath);




    }



}